Product Catalog: Rotational Rheometer 'Discovery HR'

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Patented measurement technology adopted! A rheometer that improves the analysis of rheological properties.

The viscoelastic measurement device "Discovery Hybrid Rheometer" controls the surrounding environment and performs measurements over a wide range of force, strain, and strain rate. We offer three models to meet sensitivity and capability needs, ranging from the high-sensitivity HR-30 to the general-purpose HR-10. This product improves all performance and specifications, achieving accurate strain, strain rate, stress control, and normal force, and is equipped with our innovative patented Smart Swap geometry and Smart Swap temperature control system. 【Main Features】 ■ Ultra-low inertia drag cup motor (patented) ■ Next-generation magnetic bearings (patented) ■ High-resolution optical encoder ■ Optical encoder dual reader (patent pending) ■ Normal force rebalance transducer (FRT)

basic information

【Other Features】 ■ True Position Sensor (patent pending) ■ Nano Torque Motor Control ■ Excellent stress, strain, and strain rate control ■ Direct strain vibration ■ Thrust dual radial bearing design ■ Ultra-low compliance integrated molded housing ■ Heat-resistant and vibration-proof electronics design ■ Smart Swap geometry (patented) ■ Original Smart Swap temperature control system ■ Superior Peltier technology ■ Heat spreader technology (patented) ■ Active temperature control (patented) ■ Color display ■ Intuitive touch keypad ■ Traceable torque calibration (patented)

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Applications/Examples of results

【Applications】 ☆ Thermal analysis / Glass transition, crystallization, thermal decomposition weight, curing reaction, expansion rate, thermal conductivity, shrinkage rate, effect of moisture, etc. ☆ Viscoelasticity measurement (Rheology, Rheometer) / Viscoelasticity, elastic modulus, viscosity, stress relaxation, creep, master curve, residual strain, molecular weight, molecular weight distribution, etc. ☆ Calorimetry measurement (Calorimeter) / Intermolecular interactions, crystallization, amorphousness, aggregation/precipitation, dispersibility, solubility, compatibility, wettability, stability, adsorption, etc. 【Examples of Achievements】 ■ Aerospace ■ Asphalt ■ Automotive ■ Ceramics ■ Elastomers ■ Electronics ■ Food ■ Personal care ■ Biomedicine ■ Paints and coatings ■ Inks ■ Petroleum products ■ Pharmaceuticals, etc.

Detailed information

Rheology of Thermoplastic Polymers Using Parallel Plates An example of polyethylene characterized in the temperature range of 160 to 220°C is shown in the figure. Frequency sweep measurements were conducted at multiple temperatures within an experimental range of 0.06 to 628 rad/s. Time-temperature superposition (TTS) was used to extend the data to high or low frequencies and to create a master curve at a permanent reference temperature for applications.
Rheology of Solid Polymers Using a Torsion Clamp In the ETC oven, viscoelastic property analysis can be performed on solid samples up to 13mm (width) × 50mm (length) × 5mm (thickness). The figure shows an analysis example where a solid ABS sample was subjected to vibrational measurement and temperature scanning from -160°C to 200°C at a rate of 3°C/min. The size and shape of these parameters also depend on characteristics and composition such as crystallinity, orientation, fillers, and crosslinking density.

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